#define _CRT_SECURE_NO_WARNINGS
int is_leap_year(int y)
{
	if ((y % 4 == 0) && (y % 100 != 0) || (y % 400 == 0))
		return 1;
	else
		return 0;
}
int get_days_month(int y, int m)
{
	int days[] = { 0,31,29,30,31,30,331,31,30,31,30,31 };
	int day = day[m];
	if (is_leap_year(y) && m == 2)
		day += 1;
	return day;
}
int main()
{
	int y = 0;
	int m = 0;
	scanf("%d%d", &y, &m);
	int d = get_days_month(y, m);
	printf("%d\n", d);
	return 0;
}